Submission #709794

#	Time	Username	Problem	Language	Result	Execution time	Memory
709794		ngano_upat_na	Game (APIO22_game)	C++17	0 / 100	5 ms	7376 KiB

game

#include "game.h"
#include "bits/stdc++.h"
using namespace std;
using ll = long long;

int N = 300000;
int K = -1;
bool done = false;
bool cyc = false;
vector<vector<int>> adj(N);
vector<bool> vis(N,false);  

void dfs(int u) {
    if (vis[u]) {
        if (u <= K-1) cyc = true;
        return;
    }
    vis[u] = true;
    for (auto &v:adj[u]) {
        dfs(v);
    }   
} 

void init(int n, int k) {
    N = n;
    K = k;
    for (int i=0; i<=k-2; i++) {
        adj[i].push_back(i+1);
    }   
}   

int add_teleporter(int u, int v) {
    adj[u].push_back(v);
    
    if (done) return 1;
    for (int i=0; i<N; i++) {
        vis[i] = false;
    }   
    cyc = false;
    dfs(0);
    
    if (cyc) {
        done = true;
        return 1;
        
    }
    return 0;
}   

• Subtask 1: 0 / 2
• Subtask 2: 0 / 10
• Subtask 3: 0 / 18
• Subtask 4: 0 / 30
• Subtask 5: 0 / 40